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alexira [117]
2 years ago
13

Solve the system by substitution 5x-2y=-22 -x+y=5

Mathematics
1 answer:
Gre4nikov [31]2 years ago
6 0
Are they two different questions
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What is the approximate circumference
shusha [124]

Answer:

43.3cm

Step-by-step explanation:

Circumference = PI * diameter.

Circumference = PI * 13.8

Circumference = 43.3cm

7 0
2 years ago
the brand name of a certain chain of coffee shops has a 53% recognition rate in the town of coffleton. An executive from the com
Degger [83]
This problem can be solve using the Binomial Distribution, it is a recurrence conveyance of the conceivable number of effective results in a given number of trials in each of which there is a similar likelihood of accomplishment.

Let be X: coffleton residents recognize the brand name 

n = 10 

p = 0.53

q = 0.47 

P(X = 4) = 

(10)
 
(4)*(0.53^4)*(0.47^6) = <span>0.00340</span>
7 0
3 years ago
Question 8<br> Calculate the difference (4x2 + x - 5) – (5x2 - 1).
Rufina [12.5K]

Answer:

x - 6

Step-by-step explanation:

(4x2 + x - 5) - (5x2 - 1)

According to the order of operations, parenthesis come first so we will solve what is in the parenthesis first.

Then we do the multiplication because it comes before addition and subtraction.

4x2 = 8

Now we have 8 + x - 5

Combine like terms and 8-5=3 so we have 3 + x

Now for the second one.

5x2=10

10-1=9

Subtracting this from the first expression we have:

3+x-9 =

x - 6

7 0
2 years ago
Please help me with this question asap!!!
Varvara68 [4.7K]
First you need to find the the mid point of AB. x-coordinate=(-7+8)/2=.5 y-coordinate=(-6-9)/2=-7.5. Find the slope between C and the mid point. m=19.5/1.5=13. Plug into slope intercept form. Y-12=13(x-2).
ANSWER!!!! y=13x-14
5 0
2 years ago
Read 2 more answers
Can someone please help PLEASE ​
Lena [83]
U: -2,-2
B: -5, 0
K: -5, -3
Y: -4, -3

I believe so..
7 0
2 years ago
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